# SDR DXTA2024010810542

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2024
- Submitted: January 8, 2024
- Operation: Air carrier
- Aircraft: [N428QS](https://openairdocs.org/aircraft/N428QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500485
- Aircraft time: 4,626 hours, 3,603 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 005912
- Condition: Defective
- Location: Zone 100
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024010810542

## Discrepancy

EMERGENCY LIGHTING SYSTEM LIGHTS FLASHING IN THE ARM POSITION. TESTED SYSTEM ON GROUND AND DUPLICATED WHAT WE SAW IN FLIGHT. ALL EMERGENCY LIGHTS FLASHING IN THE ARMED POSITION. //SIGNOFF//REMOVED AND REPLACED FWD AND AFT EMERGENCY BATTERY PACKS REF. PHENOM 300 AMM 33-52-01.  OPS CHECK GOOD.FWD EMERGENCY BATTERY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.